DEMINERALISED WATER FOR GAS TURBINE ENGINES

Typical Specification

NATO S-1739 (WTA), Defence Standard 68/253, Rolls-Royce MSRR9435, MSRR9914, General Electric GEI 41042, Solar Turbines ES 9-62

Conductivity at 20C
11 ┬ÁS/cm max

Silica content
3 mg SiO2/litre max

pH
5.0 – 7.5
Dissolved solids
5ppm max

Sodium + potassium
1.9ppm max

Fluorine
1.9ppm max

Chlorine
40ppm max

Lead
0.7ppmw max

Vanadium
0.35ppmw max

Iron, tin, silicon, aluminum, copper, manganese, phosphorus
3.8ppmw max

Calcium + magnesium
3.8ppmw max